CN207456785U - A kind of automobile brake sensory test instrument - Google Patents
A kind of automobile brake sensory test instrument Download PDFInfo
- Publication number
- CN207456785U CN207456785U CN201721355476.2U CN201721355476U CN207456785U CN 207456785 U CN207456785 U CN 207456785U CN 201721355476 U CN201721355476 U CN 201721355476U CN 207456785 U CN207456785 U CN 207456785U
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- China
- Prior art keywords
- brake
- pedal force
- test instrument
- sensory test
- interface
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Braking Elements And Transmission Devices (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model is related to a kind of automobile brake sensory test instrument, including displacement sensor (1), pedal force sensor (2), controller (14) and main support (3).Controller (14) includes controller housing, controller mainboard (15), acceleration transducer, serial interface (13), SD card device (4), program download interface (12), sensor interface (5) (6).Controller mainboard (15) is connected with serial interface (13), SD card device (4), power interface (10), power switch (9), button (7) (8), indicator light (11), sensor interface (5) (6).Power interface (10) is connected with vehicle power supply, and serial interface (13) is connected with PC ends, SD card device (4) storage data.The utility model can accurately measure brake pedal displacement, pedal force, braking deceleration.Compared with prior art, the utility model has many advantages, such as that small, measurement is convenient, high certainty of measurement.
Description
Technical field
The utility model is related to a kind of vehicle detection instrument, more particularly, to a kind of automobile brake sensory test instrument.
Background technology
Braking system is a very important part for automotive field, during vehicle is braked, is exactly
The brake feel of vehicle is fed back to by brake pedal by driver, this has for the control of the subjective feeling and vehicle of driver
Important meaning, directly influences the active safety of vehicle.Thus it is possible to it measures in braking process suffered by pedal
Pressure size, longitudinal braking deceleration size caused by the displacement and vehicle that pedal occurs is necessary.In addition,
Good brake feel is an important indicator of the good necessary condition of vehicle and vehicle user satisfaction.Therefore, from this two
Can carry out test for a aspect to brake feel is one and significantly studies.
At present, there is to test the product of brake feel and few, wherein most industries measurement pedal position in the market
Traditional tape measuring method is still continued to use in shifting, and measured value precision is low, and error is big, and work efficiency is low.Also there is only a few automobile
Company devises measuring instrument, often there is volumes for this kind of test equipment to measure related data specifically for certain vehicle
Greatly, it is inconvenient to carry, versatility is weak, using trouble, do not possess with host computer PC end carry out data communication the problems such as.
Utility model content
The purpose of this utility model is exactly to provide a kind of brake feel to overcome the problems of the above-mentioned prior art
Test equipment in Motor Vehicle Braking Procedure, can easily and accurately measure brake pedal displacement, pedal force, braking deceleration, main branch
Frame can be fixed in automobile cabin fast and reliablely, and pedal force sensor is installed on system by pedal force sensor mounting base
On dynamic pedal, the bracing wire head of displacement sensor is connected with pedal force sensor mounting base, and controller can gather displacement biography in real time
The signal of sensor and pedal force sensor, the data value that can be currently measured by PC ends real-time display, convenient for users to observing,
Data can also be stored by SD card, and the later stage is facilitated to carry out data processing.All data measureds can be accurate to decimal point
Latter position.This tester has small, simple and reliable for structure, of low cost, versatile, easy to use, high certainty of measurement
The advantages that.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions：
The utility model is a kind of brake feel tester, is passed including displacement sensor, displacement sensor bracket, pedal force
Sensor, pedal force sensor mounting base, controller and main support.Wherein, controller include controller housing, controller mainboard,
Acceleration transducer, serial interface, SD card device, program download interface, pedal force sensor interface and stay wire displacement sensor
Interface.Controller mainboard is integrated with A/D conversion functions, serial communication function, SPI communication functions and Interruption function etc.,
Controller mainboard is downloaded respectively with serial interface, SD card memory module, power interface, power switch, button, indicator light, program
Interface, pedal force sensor interface, stay wire displacement sensor interface are connected.Power interface and special cigarette lighter electricity on automobile
Mouth is connected, and serial interface can be connected with PC ends, and data can pass to host computer, and SD card can carry out the storage of data.The master
Stent includes fixing piece and supporting rack.
Wherein, the serial interface, power interface, button, power switch, indicator light, program download interface are located at control
Immediately ahead of device shell, the controller mainboard is located at shell centre position, and the acceleration transducer is located on controller mainboard,
The SD card device, pedal force sensor interface and stay wire displacement sensor interface are located at shell dead astern.
Wherein, support frame as described above is spliced by square stainless steel, and supporting rack end is rubber, and the firmware includes spiral shell
Bolt, velcro and band.
Due to taking above-mentioned technical proposal, the utility model has the advantage of：
1. the utility model provides two kinds of data reading modes, the first is can to carry out data communication with PC ends host computer,
User can observe the situation of change of latest data at any time at PC ends；Second is to carry out data storage, side by SD card
The phase carries out data processing after an action of the bowels；
2. the utility model is suitable for all automobile brake sensory tests, applied widely；
3. the utility model uses the stay wire displacement sensor of rotary coding formula, the digital pulse signal of output, output is surely
Fixed, strong antijamming capability, measurement accuracy is up to 0.25mm；
4. the utility model employs 3-axis acceleration sensor, signal condition, single-stage low-pass filter and temperature are employed
Compensation technique is spent, and provides the interface of two sensitivity measurement range selections, range there are two kinds of selections of 1.5g and 6g, and goes back band
There is sleep mode interface, system power dissipation can be reduced, the response time is short, high sensitivity；
5. the utility model has change in displacement indicator light, as long as pedal displacement changes, indicator light will constantly flicker；
6. the utility model mainboard processor uses 16 8-digit microcontroller products, quick A/D conversions, serial communication are integrated with
Module and SPI communication modules, and vector interrupt is used, support more than ten a interrupt sources, and can be arbitrarily nested, use interrupt requests
CPU wake-ups are only needed into 6us, controller have powerful processing capacity, high performance analog technology and abundant on piece peripheral module,
Stable work system, convenience and high-efficiency development environment the advantages that.
Description of the drawings
Fig. 1 passes through main support and controller connection diagram for the utility model；
Fig. 2 is the block diagram of utility model works principle.
Attached drawing 2 marks：
1 is displacement sensor；2 be pedal force sensor；3 be main support；4 be SD card device；5 be stay wire displacement sensor
Interface；6 be pedal force sensor interface；7 be reset key；8 be clearing button；9 be power switch；10 be power interface；11
Indicator light；12 be program download interface；13 be serial interface；14 devices in order to control；15 device mainboards in order to control；16 sense for pedal force
Device mounting base；17 be displacement sensor bracket.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, give detailed embodiment and specific operating process, but the guarantor of the utility model
Shield scope is not limited to following embodiments.
Embodiment
As shown in Figure 1 and Figure 2, a kind of brake feel test equipment, the utility model is related to a kind of brake feel tester,
Including displacement sensor, displacement sensor bracket, pedal force sensor, pedal force sensor mounting base, controller and main support.
Wherein, controller includes controller housing, controller mainboard, acceleration transducer, serial interface, SD card device, program download
Interface, pedal force sensor interface and stay wire displacement sensor interface.Controller mainboard is integrated with A/D conversion functions, serial ports leads to
Communication function, SPI communication functions and Interruption function etc., controller mainboard respectively with serial interface, SD card memory module, electricity
Source interface, power switch, button, indicator light, program download interface, pedal force sensor interface, stay wire displacement sensor interface
It is connected.Power interface is connected with special cigarette lighter power port on automobile, and serial communication module can be connected with PC ends, and data can
Host computer is passed to, SD card can carry out the storage of data.The utility model can easily and accurately measure brake pedal displacement, pedal
Power, braking deceleration.The main support includes fixing piece and supporting rack, and main support can be fixed on car steering fast and reliablely
In cabin, pedal force sensor is installed on by pedal force sensor mounting base on brake pedal, the bracing wire head of displacement sensor
It is connected with pedal force sensor mounting base, controller can gather the signal of displacement sensor and pedal force sensor in real time, can lead to
The data value that PC ends real-time display is currently measured is crossed, convenient for users to observation, data can also be stored by SD card, side
The phase carries out data processing after an action of the bowels.
Wherein, the serial interface, power interface, button, power switch, indicator light, program download interface are located at control
Immediately ahead of device shell, the controller mainboard is located at shell centre position, and the acceleration transducer is located on controller mainboard,
The SD card device, pedal force sensor interface and stay wire displacement sensor interface are located at shell dead astern.
Wherein, support frame as described above is spliced by square stainless steel, and supporting rack end is rubber, and the firmware includes spiral shell
Bolt, velcro and band.
The utility model is suitable for belonging to the list such as scientific research institution, research and development centre, automobile manufacturing company of motor vehicle relevant speciality
Position is to be engaged in the technical research of automobile, performance test, the Special experimental equipment of product quality indispensability.The utility model can expire
Application in a large amount of engineerings of foot, compared with prior art, the utility model have it is small, simple and reliable for structure, of low cost,
The advantages that versatile, measurement convenience, high certainty of measurement, it may be convenient to apply and correlative measurement is carried out on different types of vehicle
Examination.
Claims (8)
1. a kind of automobile brake sensory test instrument, it is characterised in that：Including displacement sensor (1), displacement sensor bracket (17),
Pedal force sensor (2), pedal force sensor mounting base (16), controller (14) and main support (3), institute's displacement sensors
(1) it is mounted on by displacement sensor bracket (17) on main support (3), the pedal force sensor (2) is sensed by pedal force
Device mounting base (16) is installed on brake pedal, bracing wire head and the pedal force sensor mounting base (16) of displacement sensor (1)
The bracing wire head of connection or displacement sensor (1) is connected directly between on brake pedal, and controller (14) can gather displacement in real time
The signal of sensor (1) and pedal force sensor (2), the data of acquisition can be directly stored in storage device, can also pass through
Communication modes are sent to data display storage terminal.
2. a kind of automobile brake sensory test instrument according to claim 1, it is characterised in that：An acceleration can also be integrated
Sensor is spent, detects longitudinal plus/minus speed of automobile in real time, the data detected directly can also store or be sent to data and show
Show storage terminal.
3. a kind of automobile brake sensory test instrument according to claim 1, it is characterised in that：Displacement sensor bracket (17)
Installation site and angle can quickly adjust, the bracing wire of displacement sensor (1) and brake pedal face are vertical or near vertical.
4. a kind of automobile brake sensory test instrument according to claim 1, it is characterised in that：Pedal force sensor mounting base
(16) there is adjusting apparatus, can be reliably mounted on different size of brake pedal face.
5. a kind of automobile brake sensory test instrument according to claim 1, it is characterised in that：Main support (3) can be quick
It is securely fixed in automobile cabin, quick fixed solution includes：Main support (3) is sticked to the car steering bilge by velcro
On plate or main support (3) by magnet adsorption on car steering Ceiling.
6. a kind of automobile brake sensory test instrument according to claim 1, it is characterised in that：The storage device includes collection
Into in controller (14) SD card, USB flash disk, storage chip, hard disk, CD, data display storage terminal includes computer, hand
Machine, Cloud Server, the memory with communication function.
7. a kind of automobile brake sensory test instrument according to claim 1, it is characterised in that：Brake feel tester is installed
After on vehicle to be measured, can detect automatically displacement sensor (1), pedal force sensor (2), acceleration transducer it is initial
Value, and carry out automatic clear.
8. a kind of automobile brake sensory test instrument according to claim 1, it is characterised in that：The work of brake feel tester
It is the battery or vehicle power supply carried as power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355476.2U CN207456785U (en) | 2017-10-20 | 2017-10-20 | A kind of automobile brake sensory test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355476.2U CN207456785U (en) | 2017-10-20 | 2017-10-20 | A kind of automobile brake sensory test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207456785U true CN207456785U (en) | 2018-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721355476.2U Active CN207456785U (en) | 2017-10-20 | 2017-10-20 | A kind of automobile brake sensory test instrument |
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| CN (1) | CN207456785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576514A (en) * | 2017-10-20 | 2018-01-12 | 上海同驭汽车科技有限公司 | A kind of automobile brake sensory test instrument |
| CN111003206A (en) * | 2019-12-06 | 2020-04-14 | 江西洪都航空工业集团有限责任公司 | Airplane steering column starting force and operating force detection equipment and detection method |
-
2017
- 2017-10-20 CN CN201721355476.2U patent/CN207456785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576514A (en) * | 2017-10-20 | 2018-01-12 | 上海同驭汽车科技有限公司 | A kind of automobile brake sensory test instrument |
| CN111003206A (en) * | 2019-12-06 | 2020-04-14 | 江西洪都航空工业集团有限责任公司 | Airplane steering column starting force and operating force detection equipment and detection method |
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